JP4263736B2 - スイッチング電源装置 - Google Patents
スイッチング電源装置 Download PDFInfo
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- JP4263736B2 JP4263736B2 JP2006296724A JP2006296724A JP4263736B2 JP 4263736 B2 JP4263736 B2 JP 4263736B2 JP 2006296724 A JP2006296724 A JP 2006296724A JP 2006296724 A JP2006296724 A JP 2006296724A JP 4263736 B2 JP4263736 B2 JP 4263736B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/529—Current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/08—Three-wire DC power distribution systems; Systems having more than three wires
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/08—Three-wire DC power distribution systems; Systems having more than three wires
- H02J1/082—DC supplies with two or more different DC voltage levels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
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- Sustainable Energy (AREA)
- Dc-Dc Converters (AREA)
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Description
図1は、本発明の第1の実施の形態に係るスイッチング電源装置の回路構成を表すもの
である。このスイッチング電源装置は例えば自動車などに適用されるものであり、トラン
ス2と、このトランス2における後述する主バッテリ10側に設けられた電圧・電流検出
部11、コンデンサC1および双方向スイッチング回路13と、トランス2における後述
する補機バッテリ30および商用電源50側に設けられた整流回路31、平滑回路32、
電圧・電流検出部33、スイッチング回路51、電圧検出部52,54、PFC(Power
Factor Correction;力率改善)回路53およびダイオード55D1〜55D4と、双方
向スイッチング回路13、スイッチング回路51およびPFC回路53におけるスイッチ
ング動作を制御するSW制御部6とを備えている。
圧V3に対応する電圧をSW制御部6へ出力するものである。なお、この電圧検出部52
の具体的な回路構成としては、電圧検出部54と同様に、例えば、接続ラインLH5,LL5間に配置された分圧抵抗(図示せず)によって、電圧V3を検出すると共にこれに応じた電圧を生成するものなどが挙げられる。
例えば、所定の閾値電圧よりも大きい)である場合(ステップS102:異常)、SW制
御部6はユーザへ警告(例えば、音やメッセージで示す)を出し、注意を喚起する(ステップS105)。このステップS105の後は、ステップS101へと戻る。
で示したような交流入力電圧Vacin(商用電圧)が入力すると、この交流入力電圧Vacin
がダイオード55D1〜55D4からなるブリッジ回路によって整流され、図7(B)に
示したような直流電圧V53が生成され、PFC回路53へ入力する。このとき、スイッ
チング素子Q9は、図7(C)に示したようにオン・オフ動作を繰り返して(例えば、タ
イミングt11からt12,t13〜t14ではオン状態、タイミングt12からt13
ではオフ状態)おり、これによりインダクタ53Lに流れる電流I53Lは、図7(D)
に示したように三角波となり、かつその頂点の電圧の軌跡が符号G1で示したように、タ
イミングt11〜t15,t15〜t16,t16〜t17,t17〜t18,…をそれ
ぞれ一周期とする半波の正弦波を示すようになる。なお、図7(D)に示した電流I53
L(ave)は、電流I53Lの平均電流を表している。このようにしてPFC回路53の
作用により、コンデンサC3の両端間の電圧V3は、図7(E)に示したように、値が一
定の直流電圧となる。
30を優先的に充電)するまでの動作波形を表しており、(A)はスイッチング制御信号
S5,S8を、(B)はスイッチング制御信号S6,S7を、(C)はトランス2の巻線
21の両端間に生じる電圧V21を、(D)はスイッチング制御信号S1,S4を、(E
)はスイッチング制御信号S2,S3を、(F)はコンデンサC1の両端間の電圧V1を
、(G)はコンデンサC2の両端間の電圧V2、それぞれ表している。
リ10に対する定電流充電動作が完了していない)と判断した場合(ステップS412:
N)には、SW制御部6は、可変デューティ制御によりスイッチング動作をしているスイ
ッチング素子Q5〜Q8の立ち上がりエッジをトリガすることにより(ステップS413
)、図11(D),(E)に示したようにスイッチング素子Q5〜Q8のスイッチング動
作と立ち上がりを同期させるようにしてスイッチング制御信号S1〜S4を出力し、スイ
ッチング素子Q1〜Q4に対してPWM制御を行うことにより(ステップS414)、主
バッテリ10に対する定電流充電動作を行う(ステップS415)。この場合、スイッチ
ング素子Q5〜Q8およびスイッチング素子Q1〜Q4がいずれもPWM制御により可変
のデューティ比でスイッチング動作をしているため、図11(F)に示したように直流電
圧V1が次第に増加し、主バッテリ10に対する充電動作がなされるようになっている。
なお、定電流充電動作を行った後は、ステップS411へと戻ることになる。
次に、本発明の第2の実施の形態について説明する。本実施の形態のスイッチング電源装置と第1の実施の形態のスイッチング電源装置との違いは、補機バッテリ優先充電動作の内容である。なお、第1の実施の形態で示した構成要素と同一の構成要素には同一の符号を付し、適宜説明を省略する。
51内のスイッチング素子Q5〜Q8を固定デューティ制御とする(ステップS503)
一方、スイッチング制御信号S9によって、PFC回路53内のスイッチング素子Q9を
PWM制御する(ステップS504)ことにより、補機バッテリ30に対して定電圧充電
動作を行う(ステップS505)。すなわち、第1の実施の形態では、スイッチング素子
Q9をPWM制御して直流電圧V3が一定となるようにする一方、電圧・電流検出部33
による検出結果に基づいてスイッチング素子Q5〜Q8をPWM制御することにより、ト
ランス2へ供給されるパルス電圧のパルス幅を変化させてこのパルス電圧の積分値を変
化させていたのに対し、本実施の形態では、Q5〜Q8を固定デューティ制御とすると共
に電圧・電流検出部33による検出結果に基づいてスイッチング素子Q9をPWM制御す
ることにより、トランス2へ供給されるパルス電圧の電圧値を変化させてこのパルス電
圧の積分値を変化させている。
施の形態と同様に、スイッチング回路51におけるスイッチング動作のデューティ比が一
定となると共に双方向スイッチング回路13におけるスイッチング動作のデューティ比が
可変となるように制御する一方、補機バッテリ30を優先的に充電する際には、スイッチ
ング回路51におけるスイッチング動作のデューティ比が一定となるように制御すると共
に、電圧・電流検出部33による検出結果に基づいてPFC回路53内のスイッチング素
子Q9によるスイッチング動作のデューティ比が可変となるようにしたので、第1の実施
の形態と同様に、主バッテリ10および補機バッテリ30に対し、交流入力電圧Vacinに基づいてより適切な充電を行うことができる。また、第1の実施の形態と同様に、主バッテリ10と補機バッテリ30との間で電圧変換を行うこともできる。よって、第1の実施の形態と同様に、2つのバッテリ間で電圧変換を行うと共にこれらのバッテリに対し、入力した交流電圧Vacinに基づいてより適切な充電を行うことが可能となる。
Claims (6)
- 互いに磁気的に結合された第1トランスコイル、第2トランスコイルおよび第3トランスコイルを含むトランスと、
前記第1トランスコイルと第1の直流電源との間に配置され、双方向スイッチを含んで構成された第1のスイッチング回路と、
前記第2トランスコイルと第2の直流電源との間に配置された整流回路と、
前記第3トランスコイルと交流電圧入力端子との間に配置された第2のスイッチング回路と、
前記交流電圧入力端子から入力される交流入力電圧に基づいて前記第1の直流電源を優先的に充電する際には、インバータ回路として機能する前記第2のスイッチング回路におけるスイッチング動作のデューティ比が一定となると共に、整流回路として機能する前記第1のスイッチング回路におけるスイッチング動作のデューティ比が可変となるように制御することにより、前記第1のスイッチング回路から出力される直流電圧を変化させて前記第1の直流電源の充電量の調整を行いつつ第1の直流電源への充電が行われると共に、前記整流回路から出力される直流電圧を一定にして前記第1の直流電源への充電よりも充電量の制限された充電が前記第2の直流電源に対して行われるように制御し、前記交流入力電圧に基づいて前記第2の直流電源を優先的に充電する際には、インバータ回路として機能する前記第2のスイッチング回路におけるスイッチング動作のデューティ比が可変となると共に、整流回路として機能する前記第1のスイッチング回路がスイッチング動作をするように制御することにより、前記整流回路から出力される直流電圧を変化させて前記第2の直流電源の充電量の調整を行いつつ第2の直流電源への充電が行われると共に、前記第1のスイッチング回路から出力される直流電圧に基づいて前記第1の直流電源への充電が行われるように制御するスイッチング制御部と
を備えたことを特徴とするスイッチング電源装置。 - 前記スイッチング制御部は、前記第2のスイッチング回路におけるスイッチング動作のデューティ比以下のデューティ比で前記第1のスイッチング回路がスイッチング動作をするように制御する
ことを特徴とする請求項1に記載のスイッチング電源装置。 - 前記第1および第2の直流電源のうちの少なくとも一方の充電量を検出する第1の検出部を備え、
前記スイッチング制御部は、前記第1の検出部による検出結果に基づいて、前記第1および第2の直流電源のうちの一方に対する優先的な充電動作の制御を行う
ことを特徴とする請求項1または請求項2に記載のスイッチング電源装置。 - 前記交流電圧入力端子からの交流入力電圧の供給の有無を検出する第2の検出部を備え、
前記スイッチング制御部は、前記第2の検出部による検出結果に基づいて、前記交流入力電圧が供給されていないと判断した場合には、前記第1の直流電源から供給される直流入力電圧を電圧変換して前記第2の直流電源へ供給する直流電圧変換動作を行うように制御し、前記交流入力電圧が供給されていると判断した場合には、前記第1および第2の直流電源のうちの少なくとも一方に対する充電動作を行うように制御する
ことを特徴とする請求項1ないし請求項3のいずれか1項に記載のスイッチング電源装置。 - 前記第2のスイッチング回路と前記交流電圧入力端子との間に、力率改善回路をさらに備えた
ことを特徴とする請求項1ないし請求項4のいずれか1項に記載のスイッチング電源装置。 - 互いに磁気的に結合された第1トランスコイル、第2トランスコイルおよび第3トランスコイルを含むトランスと、
前記第1トランスコイルと第1の直流電源との間に配置された第1のスイッチング回路と、
前記第2トランスコイルと第2の直流電源との間に配置された整流回路と、
前記第3トランスコイルと交流電圧入力端子との間に配置された第2のスイッチング回路と、
前記第2のスイッチング回路と前記交流電圧入力端子との間に配置され、スイッチング素子を含んで構成された力率改善回路と、
前記交流電圧入力端子から入力される交流入力電圧に基づいて前記第1の直流電源を優先的に充電する際には、インバータ回路として機能する前記第2のスイッチング回路におけるスイッチング動作のデューティ比が一定となると共に、整流回路として機能する前記第1のスイッチング回路におけるスイッチング動作のデューティ比が可変となるように制御することにより、前記第1のスイッチング回路から出力される直流電圧を変化させて前記第1の直流電源の充電量の調整を行いつつ第1の直流電源への充電が行われると共に、前記整流回路から出力される直流電圧を一定にして前記第1の直流電源への充電よりも充電量の制限された充電が前記第2の直流電源に対して行われるように制御し、前記交流入力電圧に基づいて前記第2の直流電源を優先的に充電する際には、この第2の直流電源の充電量に応じて、インバータ回路として機能する前記第2のスイッチング回路におけるスイッチング動作のデューティ比および前記力率改善回路におけるスイッチング素子のデューティ比のうちの少なくとも一方が可変となると共に、整流回路として機能する前記第1のスイッチング回路がスイッチング動作をするように制御することにより、前記整流回路から出力される直流電圧を変化させて前記第2の直流電源の充電量の調整を行いつつ第2の直流電源への充電が行われると共に、前記第1のスイッチング回路から出力される直流電圧に基づいて前記第1の直流電源への充電が行われるように制御するスイッチング制御部と
を備えたことを特徴とするスイッチング電源装置。
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| US11/976,887 US7796410B2 (en) | 2006-10-31 | 2007-10-29 | Switching power supply unit |
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| US5982645A (en) * | 1992-08-25 | 1999-11-09 | Square D Company | Power conversion and distribution system |
| JPH08317575A (ja) | 1995-05-16 | 1996-11-29 | Nippondenso Co Ltd | 電気自動車用充電装置 |
| JPH08317508A (ja) | 1995-05-17 | 1996-11-29 | Nippondenso Co Ltd | 電気自動車用充電装置 |
| JPH0965509A (ja) | 1995-06-14 | 1997-03-07 | Toyota Autom Loom Works Ltd | 電気自動車用電池の充電方法及び電気自動車用充電器 |
| US6330170B1 (en) * | 1999-08-27 | 2001-12-11 | Virginia Tech Intellectual Properties, Inc. | Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger |
-
2006
- 2006-10-31 JP JP2006296724A patent/JP4263736B2/ja active Active
-
2007
- 2007-10-29 US US11/976,887 patent/US7796410B2/en active Active
- 2007-10-30 EP EP20070021219 patent/EP1919070A3/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9787199B2 (en) | 2013-10-23 | 2017-10-10 | Mitsubishi Electric Corporation | Power conversion device to control power distribution of input power to multiple outputs |
| US9806625B2 (en) | 2013-10-23 | 2017-10-31 | Mitsubishi Electric Corporation | Power conversion device including a transformer with three or more windings |
| DE112014004859B4 (de) | 2013-10-23 | 2019-06-19 | Mitsubishi Electric Corporation | Energieumwandlungsvorrichtung |
| US10277139B2 (en) | 2014-05-14 | 2019-04-30 | Mitsubishi Electric Corporation | Power conversion device which detects power shortage and switches to a power supply that is capable of supplying power |
| US9929660B2 (en) | 2014-10-20 | 2018-03-27 | Mitsubishi Electric Corporation | Electric power conversion device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008118727A (ja) | 2008-05-22 |
| EP1919070A2 (en) | 2008-05-07 |
| EP1919070A3 (en) | 2010-03-17 |
| US20080101096A1 (en) | 2008-05-01 |
| US7796410B2 (en) | 2010-09-14 |
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